The refund in Paris is fake. Beijing Borris Education Technology Co., Ltd. promises to get a refund after two exams, and no refund after two exams. The teacher of this institution said that after taking the exam for four times, you can get a refund, only a part of it. If there is fraud or the illegal purpose is concealed in a legal form, the contract can be declared null and void through litigation, and the contract can be confirmed null and void, and the due amount can be demanded to be returned.